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![Oleg Keri](/assets/img/avatar_default.png)
Some of latest Lenovo ideapad laptops do not have UEFI/BIOS setting for switching fn-lock mode. This commit adds related acpi calls to ideapad platform driver. However setting is available via sysfs. Signed-off-by: Oleg Keri <ezhi99@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
40 lines
1 KiB
Text
40 lines
1 KiB
Text
What: /sys/devices/platform/ideapad/camera_power
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Date: Dec 2010
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KernelVersion: 2.6.37
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Contact: "Ike Panhc <ike.pan@canonical.com>"
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Description:
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Control the power of camera module. 1 means on, 0 means off.
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What: /sys/devices/platform/ideapad/fan_mode
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Date: June 2012
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KernelVersion: 3.6
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Contact: "Maxim Mikityanskiy <maxtram95@gmail.com>"
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Description:
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Change fan mode
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There are four available modes:
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* 0 -> Super Silent Mode
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* 1 -> Standard Mode
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* 2 -> Dust Cleaning
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* 4 -> Efficient Thermal Dissipation Mode
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What: /sys/devices/platform/ideapad/touchpad
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Date: May 2017
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KernelVersion: 4.13
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Contact: "Ritesh Raj Sarraf <rrs@debian.org>"
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Description:
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Control touchpad mode.
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* 1 -> Switched On
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* 0 -> Switched Off
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What: /sys/bus/pci/devices/<bdf>/<device>/VPC2004:00/fn_lock
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Date: May 2018
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KernelVersion: 4.18
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Contact: "Oleg Keri <ezhi99@gmail.com>"
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Description:
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Control fn-lock mode.
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* 1 -> Switched On
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* 0 -> Switched Off
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For example:
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# echo "0" > \
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/sys/bus/pci/devices/0000:00:1f.0/PNP0C09:00/VPC2004:00/fn_lock
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